Fuel pump

Asked by Jul 26, 2017 at 05:11 PM about the 1993 GMC Sonoma 2 Dr SLE Extended Cab SB

Question type: Maintenance & Repair

Truck suddenly died while I was driving tried
starting it and the fuel pump wouldn't get power.
I've replace the fuel pump, distributer, and fuel
injectors what else am I missing. It's a 93 4.3
v6vortec Sonoma. Still doesn't run by the way.

1 Answer

5

I have a 94 Sonoma SLS Vortec 4.3 V6 W engine and it had the same problem! There are two common causes. Bad ground and relay problems. On my 94 under the ashtray was 2 relays one for the horn and one for the fuel pump. I replaced both while I was in there and have had no more problems!

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